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Quickly find whether a value is present in a C array?
...a graphics routine on a Pentium, using the U and V pipes optimally. Got it down to 6 clock cycles per loop (calculated and measured), and I was very proud of myself. When I tested it against the same thing written in C, the C was faster. I never wrote another line of Intel assembler again.
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npm install private github repositories by dependency in package.json
... just fine in all scenarios i needed :
"dependencies": {
"GitRepo": "git+https://<token-from-github>:x-oauth-basic@github.com/<user>/<GitRepo>.git"
}
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Push to GitHub without a password using ssh-key
...ing you for a username and password, your origin remote is pointing at the HTTPS URL rather than the SSH URL.
Change it to ssh.
For example, a GitHub project like Git will have an HTTPS URL:
https://github.com/<Username>/<Project>.git
And the SSH one:
git@github.com:<Username>...
What are the advantages of using a schema-free database like MongoDB compared to a relational databa
...it an anti-answer. It's also not really true unless we restrict "meaning" down to this narrow context you are coming from. There is plenty of room for "meaning" without a "well-established schema."
– user1020853
Mar 1 '15 at 18:24
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python: How do I know what type of exception occurred?
....post_mortem()
I've found this last method to be invaluable when hunting down bugs.
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When use getOne and findOne methods Spring Data JPA
...rieved and what you should expect the method to return. The answer further down by @davidxxx highlights this very well, and I think everyone who uses Spring Data JPA should be aware of this. Otherwise, it can cause quite a bit of headache.
– fridberg
Dec 4 '17 ...
How Scalable is SQLite? [closed]
...abase when I was serving it from a web page. This partially caused the slowdown I was experiencing. However, the observation of database-locking stands - if you have particularly onerous updates, SQLite performance won't match MySQL or Postgres.
another edit: Since I posted this almost 3 months ago...
right click context menu for datagridview
..., or Metro/Mono/Web/WPF porting might not work and keyboard shortcuts will down right fail (Shift+F10 or Context Menu key).
Cell selection on right mouse click has to be handled manually. Showing the context menu does not need to be handled as this is handled by the UI.
This completely mimics the ...
std::unique_ptr with an incomplete type won't compile
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As Alexandre C. mentioned, the problem comes down to window's destructor being implicitly defined in places where the type of window_impl is still incomplete. In addition to his solutions, another workaround that I've used is to declare a Deleter functor in the header:...
When to use self over $this?
...head explode. I did get some more information that I found helpful further down, but for now I was just trying to figure out why I hit my class attributes with $this->attrib and the class constants with self::constant. This helped me understand that better
– MydKnight
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